#!/bash/bin
#Bai 4
echo "1. Cafe den"
echo "2. Cafe da"
echo "3. Cafe sua"
echo "4. Cafe cao"
echo "Ban chon thuc uong nao (1-4)?"; read chon

case $chon in
1) echo "Ban chon Cafe den";;
2) echo "Ban chon Cafe da";;
3) echo "Ban chon Cafe sua";;
4) echo "Ban chon Cafe cao";;
*) echo "Ban chon sai. Vui long chon lai!"
esac
